National Chromatographic R. & A. Center, Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 116011, China;
Dalian Central Hospital, Dalian 116033, China;
National Chromatographic R. & A. Center, Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 116011, China;
National Chromatographic R. & A. Center, Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 116011, China;
National Chromatographic R. & A. Center, Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 116011, China;
phosphatidylethanolamine; linear ion trap; ionspray; liquid chromatography/mass spectrometry;